苹果病毒病的危害及防治

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中图分类号：S661.1 文献标识码：B

Hazards and Control of Apple Virus Diseases

JIA Caixia （Agricultural Comprehensive Service Center，Leida Town People’sGovernment， Jingning County，Gansu Province，JingningGansu 7434Oo，China）

Abstract：After apple tres areinfected with viruses，the viruses compete with the treefor essential nutrients，disruptthe transportofnutrients withinthetree，alterthemetabolismoforganicsubstances，and inhibitphotosynthesis.Thisultimately leads to symptoms such as mosaic disease and russeting，severely affecting the marketabilityof the fruit and productioneficiency.Basedon practical experience，efective measures havebeen takentocontrol virus diseases，including theuseof virusresistantrotstocks，planting virus-freesedlings，heat treatment of saplings，cutting offvirus transmision pathways，increasing the aplicationoforganicferilizers，injectingantibiotics，andchemicalcontrol.These measures haveachieved positive results.

Keywords： virusdisease；apple；hazards；control measures

近年来，在静宁苹果生产中病毒病呈现越来越严重的发展态势，导致苹果品质变差，对苹果生产造成了不良的影响。（剩余3175字）